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Loudoun Co., Virginia, USA

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Known for trap rock quarries providing crushed stone for construction.

Mineral List

Mineral list contains entries from the region specified including sub-localities

Actinolite

Aikinite

Albite

'Allanite Group'

'Amphibole Supergroup'

'var: Byssolite'

'Ancylite'

Andradite

Anhydrite

'Apatite'

'Apophyllite'

Aragonite

'Asbestos'

'var: Mountain Leather'

Augite

'Axinite Group'

Azurite

Babingtonite

Baryte

Bornite

Calcite

'Chabazite'

Chalcocite

Chalcopyrite

Chlorapatite

'Chlorite Group'

Chromite

Chrysocolla

Clinochlore

var: Colerainite

var: Diabantite

Clinozoisite

Cordierite

Cuprite

Datolite

Diopside

Dolomite

Epidote

Epistilbite

Fluorapatite

Fluorapophyllite-(K)

Fluorite

Galena

'Garnet'

Gold

Goosecreekite (TL)

Greenockite

Grossular

Gyrolite

Harmotome

Hematite

var: Specularite

'Heulandite'

'Hornblende'

Hydroxyapophyllite-(K)

Ilmenite

Kainosite-(Y)

'K Feldspar'

'var: Adularia'

Laumontite

'Limonite'

Loudounite (TL)

Magnetite

Malachite

Marcasite

Molybdenite

Mordenite

Natrolite

'Ochre'

Opal

var: Opal-AN

Pectolite

Pigeonite

Prehnite

Pseudomalachite

'Pumpellyite'

Pyrite

Quartz

var: Agate

var: Amethyst

var: Moss Agate

var: Prase

Riebeckite

Rutile

'Scapolite'

'Serpentine Subgroup'

Silver

Sphalerite

'Stilbite'

Stilpnomelane

Talc

Thaumasite

'Thomsonite'

Thomsonite-Ca

Titanite

'Tourmaline'

Tremolite

Vesuvianite

Wollastonite

Wurtzite

Xenotime-(Y)

Xonotlite

'Zeolite Group'

Zircon


71 valid minerals. 2 (TL) - type locality of valid minerals.

Rock Types Recorded

Entries shown in red are rocks recorded for this region.

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities


Localities in this Region


The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Meier, B. M. and Kearns, Lance E., 2011, Chemical Characterization of Northern Virginia Apophyllite, (K, Na)Ca4Si8)20(OH, F).8H2O, 38th Rochester Mineralogical Symposium Progran and Abstracts, p. 25-27.

Mineral and/or Locality  
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